///////////////////////////////////////////////////////////////////////////////
// //
-// class for T0 calibration TM-AC-AM_6-02-2006 //
+// class for T0 calibration TM-AC-AM_6-02-2006
+// equalize time shift for each time CFD channel
// //
///////////////////////////////////////////////////////////////////////////////
#include "AliT0CalibTimeEq.h"
-#include "AliT0LookUpValue.h"
#include "AliLog.h"
-#include "AliRun.h"
-
#include <TFile.h>
#include <TMath.h>
#include <TF1.h>
-#include <TSystem.h>
-#include <Riostream.h>
#include <TSpectrum.h>
-#include <TVirtualFitter.h>
#include <TProfile.h>
-#include <string>
+#include <iostream>
ClassImp(AliT0CalibTimeEq)
//________________________________________________________________
- AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed()
+ AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed(),
+ fMeanVertex(0),
+ fRmsVertex(0)
{
//
+
}
//________________________________________________________________
-AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed()
+AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed(),
+ fMeanVertex(0),
+ fRmsVertex(0)
{
+ //constructor
+
TString namst = "Calib_";
namst += name;
SetName(namst.Data());
}
//________________________________________________________________
-AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda)
+AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda),
+ fMeanVertex(0),
+ fRmsVertex(0)
{
// copy constructor
SetName(calibda.GetName());
AliT0CalibTimeEq::~AliT0CalibTimeEq()
{
//
+ // destrictor
}
//________________________________________________________________
void AliT0CalibTimeEq::Reset()
{
+ //reset values
+
memset(fCFDvalue,0,120*sizeof(Float_t));
memset(fTimeEq,1,24*sizeof(Float_t));
}
//________________________________________________________________
void AliT0CalibTimeEq::Print(Option_t*) const
{
+ // print time values
printf("\n ---- PM Arrays ----\n\n");
printf(" Time delay CFD \n");
for (Int_t i=0; i<24; i++) printf(" CFD %f ",fTimeEq[i]);
+ printf("\n Mean Vertex %f \n", fMeanVertex);
}
//________________________________________________________________
-void AliT0CalibTimeEq::ComputeOnlineParams(char* name1, Int_t npeaks, Double_t sigma, const char* filePhys)
+Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
{
- TFile *gFile = TFile::Open(filePhys);
- Bool_t down=false;
- Int_t index[20];
- Char_t buf1[15];
- Char_t temp[10];
- Float_t p[24][3]={0.,0.,0.};
- for (Int_t i=0; i<24; i++)
- {
- sprintf(buf1,name1);
- sprintf(temp,"%i",i+1);
- strcat (buf1,temp);
- //strcat (buf1,name2);
- TH1F *cfd = (TH1F*) gFile->Get(buf1);
- printf(" i = %d buf1 = %s\n", i, buf1);
- TSpectrum *s = new TSpectrum(2*npeaks,1.);
- printf(" buf1 = %s cfd = %x\n", buf1, cfd);
- Int_t nfound = s->Search(cfd,sigma,"goff",0.2);
- printf(" nfound = %d\n", nfound);
- if(nfound!=0)
+ // compute online equalized time
+ Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime;
+ meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0;
+ // Double_t rms=0, rmscfd=0;
+ Double_t rmsver=0;
+ Int_t nent=0;
+ Bool_t ok=false;
+ gFile = TFile::Open(filePhys);
+ if(!gFile) {
+ AliError("No input PHYS data found ");
+ }
+ else
{
- Float_t *xpeak = s->GetPositionX();
- TMath::Sort(nfound, xpeak, index,down);
- Float_t xp = xpeak[index[0]];
- Float_t hmax = xp+3*sigma;
- Float_t hmin = xp-3*sigma;
- cfd->GetXaxis()->SetRange((Int_t)hmin-20,(Int_t)hmax+20);
- TF1 *g1 = new TF1("g1", "gaus", hmin, hmax);
- cfd->Fit("g1","IRQN");
- for(Int_t j =0; j<3; j++)
- {
- p[i][j] = g1->GetParameter(j);
- SetCFDvalue(i, j, p[i][j]);
+ // gFile->ls();
+ ok=true;
+ for (Int_t i=0; i<24; i++)
+ {
+ TH1F *cfd = (TH1F*) gFile->Get(Form("CFD1minCFD%d",i+1));
+ TH1F *cfdtime = (TH1F*) gFile->Get(Form("CFD%d",i+1));
+ if(!cfd) AliWarning(Form("no histograms collected by PHYS DA for channel %i", i));
+ // printf(" i = %d buf1 = %s\n", i, buf1);
+ if(cfd) {
+ GetMeanAndSigma(cfd, meandiff, sigmadiff);
+ nent=cfd->GetEntries();
+ if(nent<500 || cfd->GetRMS()>20. ) {
+ ok=false;
+ AliWarning(Form("Data is not good enouph in PMT %i - mean %f rsm %f nentries %i", i,meandiff,sigmadiff , nent));
+
+ }
+ else
+ {
+ ok=false;
+ AliWarning(Form("Data is not good enouph in PMT %i , no clean peak", i));
+ }
+ if(!cfd) AliWarning(Form("no histograms collected by PHYS DA for channel %i", i));
+ }
+ // printf(" i = %d buf1 = %s\n", i, buf1);
+ if(cfdtime) {
+ GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
+ nent=cfdtime->GetEntries();
+ if(nent<500 || sigmacfdtime>30. ) {
+ ok=false;
+ AliWarning(Form("Data is not good enouph in PMT %i CFD data - meancfdtime %f rsm %f nentries %i", i,meancfdtime, sigmacfdtime, nent));
+
+ }
+ }
+ else
+ {
+ ok=false;
+ AliWarning(Form("Data is not good enouph in PMT %i , no clean peak", i));
+ }
+
+
+
+ SetTimeEq(i,meandiff);
+ SetTimeEqRms(i,sigmadiff);
+ SetCFDvalue(i,0,meancfdtime);
+ SetCFDvalue(i,0,sigmacfdtime);
+ if (cfd) delete cfd;
+ if (cfdtime) delete cfdtime;
+
+ }
+ TH1F *ver = (TH1F*) gFile->Get("hVertex");
+ if(!ver) AliWarning("no T0 histogram collected by PHYS DA ");
+ if(ver) {
+ meanver = ver->GetMean();
+ rmsver = ver->GetRMS();
}
+ SetMeanVertex(meanver);
+ SetRmsVertex(rmsver);
+
+ gFile->Close();
+ delete gFile;
- SetCFDvalue(i, 3, hmin);
- SetCFDvalue(i, 4, hmax);
+ }
+ return ok;
+}
- if (i<12)
- {
- SetTimeEq(i,(p[i][2]-p[0][2]));
- }
- else
- {
- SetTimeEq(i,(p[i][2]-p[12][2]));
- }
- }
+//________________________________________________________________
+Bool_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys)
+{
+ // compute online equalized time
+ Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime;
+ meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0;
+ // Double_t rms=0, rmscfd=0;
+ Double_t rmsver=0;
+ Int_t nent=0;
+ Bool_t ok=false;
+ gFile = TFile::Open(filePhys);
+ if(!gFile) {
+ AliError("No input PHYS data found ");
}
-
- gFile->Close();
- delete gFile;
-
- for(int i=0;i<5;i++)
- {
- for(int j=0;j<24;j++)
+ else
+ {
+ // gFile->ls();
+ ok=true;
+ TObjArray * TzeroObj = (TObjArray*) gFile->Get("fTzeroObject");
+ for (Int_t i=0; i<24; i++)
{
- printf("fCFDvalue[%d][%d]=%f\n",j,i,fCFDvalue[j][i]);
- }
- }
- printf("\n\n");
- for(int j=0;j<24;j++)
- {
- printf("fTimeEq[%d]=%f\n",j,fTimeEq[j]);
- }
+ TH1F *cfddiff = (TH1F*)TzeroObj->At(i);
+ TH1F *cfdtime = (TH1F*)TzeroObj->At(i+24);
+ if(!cfddiff) AliWarning(Form("no histograms collected by PHYS DA for channel %i", i));
+ // printf(" i = %d buf1 = %s\n", i, buf1);
+ if(cfddiff) {
+ GetMeanAndSigma(cfddiff,meandiff, sigmadiff);
+ nent=cfddiff->GetEntries();
+ if(nent<500 || cfddiff->GetRMS()>20. ) {
+ ok=false;
+ AliWarning(Form("Data is not good enouph in PMT %i - mean %f rsm %f nentries %i", i,meandiff,sigmadiff, nent));
+
+ }
+ else
+ {
+ ok=false;
+ AliWarning(Form("Data is not good enouph in PMT %i , no clean peak", i));
+ }
+ if(!cfdtime) AliWarning(Form("no histograms collected by PHYS DA for channel %i", i));
+ // printf(" i = %d buf1 = %s\n", i, buf1);
+ if(cfdtime) {
+ GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
+ nent=cfdtime->GetEntries();
+ if(nent<500 || cfdtime->GetRMS()>30. ) {
+ ok=false;
+ AliWarning(Form("Data is not good enouph in PMT %i CFD data - mean %f rsm %f nentries %i", i,meancfdtime, sigmacfdtime, nent));
+
+ }
+ }
+ else
+ {
+ ok=false;
+ AliWarning(Form("Data is not good enouph in PMT %i , no clean peak", i));
+ }
+ }
+
+
+ SetTimeEq(i,meandiff);
+ SetTimeEqRms(i,sigmadiff);
+ SetCFDvalue(i,0,meancfdtime);
+ SetCFDvalue(i,0,sigmacfdtime);
+ if (cfddiff) delete cfddiff;
+ if (cfdtime) delete cfdtime;
+
+ }
+ TH1F *ver = (TH1F*) gFile->Get("hVertex");
+ if(!ver) AliWarning("no T0 histogram collected by PHYS DA ");
+ if(ver) {
+ meanver = ver->GetMean();
+ rmsver = ver->GetRMS();
+ }
+ SetMeanVertex(meanver);
+ SetRmsVertex(rmsver);
+
+ gFile->Close();
+ delete gFile;
+
+ }
+ return ok;
+}
+
+//________________________________________________________________________
+void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) {
+
+ const double window = 5.; //fit window
+ double norm = hist->Integral(); // normalize to one count
+ hist->Scale(1./norm);
+
+ double meanEstimate, sigmaEstimate;
+ int maxBin;
+ maxBin = hist->GetMaximumBin(); //position of maximum
+ meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum
+ sigmaEstimate = hist->GetRMS();
+ TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate);
+ fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate);
+ hist->Fit("fit","R");
+
+ mean = (Float_t) fit->GetParameter(1);
+ sigma = (Float_t) fit->GetParameter(2);
+
+ delete fit;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff